de.topobyte.jts.utils

Class SelfIntersectionUtil

java.lang.Object

de.topobyte.jts.utils.SelfIntersectionUtil

public class SelfIntersectionUtil
extends Object

This class provides methods for checking the integrity of LinearRings and for solving integrity problems. Currently only self-intersections are considered and may be repaired.

Constructor Summary

Constructors

Constructor and Description
SelfIntersectionUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	hasSelfIntersections(LineString string) Perform a test, whether the given string is sane.
static Set<LinearRing>	repair(LinearRing input) Given a LinearRing, possibly containing errors (self-intersections), repair this ring by splitting it up into several rings.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SelfIntersectionUtil

public SelfIntersectionUtil()

Method Detail

hasSelfIntersections

public static boolean hasSelfIntersections(LineString string)

Perform a test, whether the given string is sane. A check for self-intersections will be performed. This method is for testing only and does not return any value. Instead it will print on standard output.

Parameters:

string - the lineString to check.

Returns:

repair

public static Set<LinearRing> repair(LinearRing input)

Given a LinearRing, possibly containing errors (self-intersections), repair this ring by splitting it up into several rings.

Parameters:

input - the ring to repair.

Returns:

a set of possibly more than one repaired rings.